[Intel-gfx] [PATCH v2] drm/i915/tgl: Wa_14011059788

[Sripada, Radhakrishna]

> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Matt
> Atwood
> Sent: Wednesday, April 15, 2020 12:36 PM
> To: intel-gfx at lists.freedesktop.org
> Subject: [Intel-gfx] [PATCH v2] drm/i915/tgl: Wa_14011059788
> 
> Reflect recent Bspec changes
> 
> v2: fix whitespace, typo
> 
> Signed-off-by: Matt Atwood <matthew.s.atwood at intel.com>
Looks good to me.
Reviewed-by: Radhakrishna Sripada <Radhakrishna.sripada at intel.com>

- RK
> ---
>  drivers/gpu/drm/i915/intel_pm.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index b632b6bb9c3e..3d12a0617c84 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -6854,6 +6854,10 @@ static void tgl_init_clock_gating(struct
> drm_i915_private *dev_priv)
>  	if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_A0))
>  		I915_WRITE(GEN9_CLKGATE_DIS_3,
> I915_READ(GEN9_CLKGATE_DIS_3) |
>  			   TGL_VRH_GATING_DIS);
> +
> +	/* Wa_14011059788:tgl */
> +	intel_uncore_rmw(&dev_priv->uncore,
> GEN10_DFR_RATIO_EN_AND_CHICKEN,
> +			 0, DFR_DISABLE);
>  }
> 
>  static void cnp_init_clock_gating(struct drm_i915_private *dev_priv)
> --
> 2.21.1
> 
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